129288080812 has 48 divisors (see below), whose sum is σ = 255059159040. Its totient is φ = 56810332800.

The previous prime is 129288080783. The next prime is 129288080837. The reversal of 129288080812 is 218080882921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227489 + ... + 1328647.

It is an arithmetic number, because the mean of its divisors is an integer number (5313732480).

Almost surely, 2^129288080812 is an apocalyptic number.

It is an amenable number.

129288080812 is a deficient number, since it is larger than the sum of its proper divisors (125771078228).

129288080812 is a wasteful number, since it uses less digits than its factorization.

129288080812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102142 (or 102140 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 49.

The spelling of 129288080812 in words is "one hundred twenty-nine billion, two hundred eighty-eight million, eighty thousand, eight hundred twelve".